package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;
import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@Slf4j
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    /**
     * 分页查询菜品
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult> pageDish(DishPageQueryDTO dishPageQueryDTO){

        log.info("开始分页查询，传进的参数：{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageDish(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除")
    public Result deleteByIdDish(@RequestParam List<Long> ids){
        log.info("批量删除菜品，传入参数：{}",ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉，所有dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getByIdDish(@PathVariable Long id){

        log.info("根据id查询菜品,请求参数：{}",id);
       DishVO dishVO = dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);
    }

    /**
     * 修改菜品信息
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品，请求参数：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉，所有dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId,String name){
        log.info("根据分类id或名字查询，请求参数：{}，{}",categoryId,name);
        List<Dish> list = dishService.list(categoryId,name);
        return Result.success(list);
    }

    /**
     * 菜品售卖状态
     * @param status
     * @return
     */
    @PostMapping("status/{status}")
    @ApiOperation("菜品售卖状态")
    public Result startOrStop(@PathVariable Integer status,Long id){
        log.info("设置菜品状态，请求参数：{},{}",status,id);
        dishService.StartOrStop(status,id);

        //将所有的菜品缓存数据清理掉，所有dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
